Convert kWh to Wh

Kilowatt hours to watt hours. Enter a value to convert, or use the kWh to Wh chart further down the page.

1 kWh = 1,000 Wh

1 kilowatt hour equals 1,000 watt hours. Going the other way, 1 watt hour = 0.001 kilowatt hours.

How to convert kWh to Wh

To convert kilowatt hours to watt hours, multiply the kilowatt hour value by 1000. You can also divide by 0.001 to get the same answer.

Wh = kWh × 1000

Convert 15 kWh to watt hours:

15 kWh = 15,000 Wh

Use this kWh to Wh table for quick reference without typing anything.

A kilowatt hour is the energy used by a 1,000-watt device running for one hour: exactly 3.6 megajoules. It is the unit on electricity bills.

A watt hour is exactly 3,600 joules — the energy used by a one-watt device in one hour. Battery capacity is rated in watt hours.

How many Wh are in a kilowatt hour?

1 kWh equals 1,000 Wh. Going the other way, 1 Wh is 0.001 kWh.

How do you convert kWh to Wh?

To convert kilowatt hours to watt hours, multiply the kilowatt hour value by 1000. You can also divide by 0.001 to get the same answer.

What is 10 kWh in Wh?

10 kWh equals 10,000 Wh. The conversion chart on this page lists the other values people look up most often.